Home / 6,720.12-10,076.73-3,019.18

Finding the Fourth Proportional to 6,720.12, 10,076.73 and 3,019.18

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Solution

The fourth proportional to 6,720.12, 10,076.73 and 3,019.18 is: 4,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.12 : 10,076.73 = 3,019.18 : x
  2. Step 2: Convert to fraction form
    6,720.12/10,076.73 = 3,019.18/x
  3. Step 3: Cross multiply
    6,720.12x = 10,076.73 × 3,019.18
  4. Step 4: Simplify right side
    6,720.12x = 30,423,396.20
  5. Step 5: Solve for x
    x = 30,423,396.20/6,720.12
  6. Step 6: Final answer
    x = 4,527.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.